BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 26400 Comm: syz-executor719 Not tainted 5.2.0+ #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x2f8 lib/dump_stack.c:113 save_trace kernel/locking/lockdep.c:453 [inline] mark_lock+0x3fb/0x1660 kernel/locking/lockdep.c:3502 __lock_acquire+0x62f/0x1a40 kernel/locking/lockdep.c:3749 lock_acquire+0x158/0x250 kernel/locking/lockdep.c:4303 flush_workqueue+0x17e/0x13f0 kernel/workqueue.c:2774 drain_workqueue+0xb9/0x500 kernel/workqueue.c:2939 destroy_workqueue+0x2b/0xe00 kernel/workqueue.c:4322 io_finish_async fs/io_uring.c:2262 [inline] io_ring_ctx_free fs/io_uring.c:2770 [inline] io_ring_ctx_wait_and_kill+0x2ba/0x880 fs/io_uring.c:2834 io_uring_release+0x5d/0x70 fs/io_uring.c:2842 __fput+0x2e4/0x740 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:313 task_work_run+0x17e/0x1b0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x63f/0x2300 kernel/exit.c:877 do_group_exit+0x15c/0x2a0 kernel/exit.c:981 __do_sys_exit_group+0x17/0x20 kernel/exit.c:992 __se_sys_exit_group+0x14/0x20 kernel/exit.c:990 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:990 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43ffb8 Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 RSP: 002b:00007ffc6d170db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ffb8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004bf7f0 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000